The CAS Registry Mumber 13720-18-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,7,2 and 0 respectively; the second part has 2 digits, 1 and 8 respectively. Calculate Digit Verification of CAS Registry Number 13720-18: (7*1)+(6*3)+(5*7)+(4*2)+(3*0)+(2*1)+(1*8)=78 78 % 10 = 8 So 13720-18-8 is a valid CAS Registry Number.
Get Best Price for13720-18-8Acetic acid (4aS,6aS,6bR,8aR,9R,10S,12aS,12bR)-10-acetoxy-9-acetoxymethyl-2,2,6a,6b,9,12a-hexamethyl-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b-hexadecahydro-2H-picen-4a-ylmethyl ester